Section 1: Product Identification
Chemical Name: Selenium (I) chloride (99%-Se)
CAS Registry Number: 10025-68-0
Formula: Se2Cl2
EINECS Number: none
Chemical Family: metal halide
Synonym: none
Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 10025-68-0 100% 0.2mg/m3 (as Se) 0.2mg/m3 (as Se)
Section 3: Hazards Identification
Emergency Overview: Harmful by inhalation, in contact with skin and if swallowed. Corrosive to skin and eyes.
Primary Routes of Exposure: Ingestion, inhalation, skin, eyes
Eye Contact: Causes burns to the eyes.
Skin Contact: Causes burns to the skin.
Inhalation: Harmful by inhalation. Inhalation of vapors will lead to burning of the respiratory tract.
Ingestion: Harmful if swallowed. Caustic burns to the gastrointestinal system may occur.
Harmful by inhalation, in contact with skin and if swallowed. Corrosive to skin, eyes and respiratory tract and
Acute Health Affects:
cause eye, skin burns, dyspnea (breathing difficulty), and pulmonary edema
Chronic Health Affects: No information available on long-term chronic effects.
NTP: No
IARC: No
OSHA: No
SECTION 4: First Aid Measures
Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
Eye Exposure:
assistance in keeping their eye lids open. Get immediate medical attention.
Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if
Skin Exposure:
irritation persists.
Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
Inhalation:
in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
Ingestion:
vomiting only if directed by medical personnel.
SECTION 5: Fire Fighting Measures
Flash Point: not applicable
Autoignition Temperature: none
Explosion Limits: none
Extinguishing Medium: Carbon dioxide, sand, dry chemical powder.
If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained
Special Fire Fighting Procedures:
breathing apparatus and full protective clothing.
Hazardous Combustion and If involved in a fire this material may emit toxic chlorine and hydrochloric acid fumes.
Decomposion Products:
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.
SECTION 6: Accidental Release Measures
Small spills can be neutralized with powdered sodium bicarbonate, lime, or calcium carbonate and swept up.
Spill and Leak Procedures: Large spills in areas not adequately ventilated will require an evacuation of site. Emergency response teams
will require self-contained breathing apparatus.
SECTION 7: Handling and Storage
Store material in a tightly sealed bottle away from moisture. If possible, handle material in an efficient fume
Handling and Storage:
hood. Prolonged exposure to the atmosphere may lead to degradation of the product.
SECTION 8: Exposure Controls and Personal Protection
Eye Protection: Always wear approved safety glasses when handling a chemical substance in the laboratory.
Skin Protection: Wear protective clothing and gloves. Consult with glove manufacturer to determine the proper type of glove.
Ventilation: If possible, handle the material in an efficient fume hood.
If in form of fine dust and ventilation is not available a respirator should be worn. The use of respirators
Respirator:
requires a Respirator Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation: If possible, handle the material in an efficient fume hood.
Additional Protection: No additional protection required.
SECTION 9: Physical and Chemical Properties
Color and Form: red liq.
Molecular Weight: 228.53
Melting Point: -85°
Boiling Point: 130°C dec.
Vapor Pressure: no data
Specific Gravity: 2.77
Odor: Pungent odor.
Solubility in Water: reacts with water
SECTION 10: Stability and Reactivity
Stability: moisture sensitive
Hazardous Polymerization: no hazardous polymerization
Conditions to Avoid: contact with moisture
Incompatibility: water, mineral acids and active metals
Decomposition Products: with moisture: hydrochloric acid and selenium oxide.
SECTION 11: Toxicological Information
RTECS Data: No information available in the RTECS files.
Carcinogenic Effects: no data
Mutagenic Effects: no data
Tetratogenic Effects: no data
SECTION 12: Ecological Information
Avoid release to groundwater or waterways. Very toxic to aquatic organisms. May cause long-term adverse
Ecological Information:
effects.
SECTION 13: Disposal Considerations
Disposal: Dispose of according to local, state and federal regulations.
SECTION 14: Transportation
Shipping Name (CFR): Corrosive liquids, Toxic, N.O.S.
Hazard Class (CFR): 8
Additional Hazard Class (CFR): 6.1
Packaging Group (CFR): II
UN ID Number (CFR): UN# 2922
Shipping Name (IATA): Corrosive liquid, Toxic, N.O.S.
Hazard Class (IATA): 8
Additional Hazard Class (IATA): 6.1
Packaging Group (IATA): II
UN ID Number (IATA): UN# 2922
SECTION 15: Regulatory Information
TSCA: Listed in the TSCA inventory.
SARA (Title 313): Title compound: See category code N725 for reporting
Second Ingredient: none
SECTION 16 - ADDITIONAL INFORMATION
N/A
